The high-performance narrow-band filter produced by Kingki Optical has a spectral coverage of 340-1100nm. The product has long life, no drift, high transmittance, deep cutoff, high quality and low price.

(630nm biochemical instrument bandpass filter)

2.the biochemical instrument filter curve: (you can fill out the requirements table at the end of the text to tell us that you want the product)

Kingki has long been responsible for the research and production of military optical coatings. The chief engineer has more than 40 years of military optical coating experience, and has 33 national authorized patents. Nine optical film systems have won the People's Republic of China Science and Technology Progress Award.

Kingki has a high-end factory building of 4,000 square meters, 13 sets of advanced coating machines and complete test equipment, with the ability to mass produce high-end optical filters.

utting the two subsystems together, we have either a two-layer coating if we permit the thickness of the coupling layer to shrink to zero, or a three- layer coating if the coupling layer is a quarter-wave. In the former case, we have the design: